Oracle | Phone screening round questions | compiled
Question Details
Questions compiled from the discuss section of leetcode asked in oracle till date: 10-01-2025. ## https://leetcode.com/problems/subarrays-with-k-different-integers/description https://leetcode.com/problems/product-of-array-except-self * https://leetcode.com/problems/top-k-frequent-elements * https://leetcode.com/problems/data-stream-as-disjoint-intervals * https://leetcode.com/problems/valid-parentheses/description * https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree * https://leetcode.com/problems/group-anagrams * https://leetcode.com/problems/subarray-sum-equals-k * https://leetcode.com/problems/confusing-number-ii/description * https://leetcode.com/problems/strobogrammatic-number-iii/description * https://leetcode.com/problems/two-sum * https://leetcode.com/problems/house-robber/description * https://leetcode.com/problems/first-missing-positive * https://leetcode.com/problems/design-search-autocomplete-system/description *...
Full Details
## Questions compiled from the discuss section of leetcode asked in oracle till date: 10-01-2025. ##
- https://leetcode.com/problems/subarrays-with-k-different-integers/description
- https://leetcode.com/problems/product-of-array-except-self
- https://leetcode.com/problems/top-k-frequent-elements
- https://leetcode.com/problems/data-stream-as-disjoint-intervals
- https://leetcode.com/problems/valid-parentheses/description
- https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
- https://leetcode.com/problems/group-anagrams
- https://leetcode.com/problems/subarray-sum-equals-k
- https://leetcode.com/problems/confusing-number-ii/description
- https://leetcode.com/problems/strobogrammatic-number-iii/description
- https://leetcode.com/problems/two-sum
- https://leetcode.com/problems/house-robber/description
- https://leetcode.com/problems/first-missing-positive
- https://leetcode.com/problems/design-search-autocomplete-system/description
- https://leetcode.com/problems/merge-k-sorted-lists
- https://leetcode.com/problems/word-break/description
- https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
- https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
- https://leetcode.com/problems/path-sum-iii
- https://leetcode.com/problems/find-median-from-data-stream/description
- https://leetcode.com/problems/n-ary-tree-level-order-traversal/description
- https://leetcode.com/problems/linked-list-cycle
- https://leetcode.com/problems/linked-list-cycle-ii
## Some other questions which are not present in leetcode. ##
- Sort doubly linked list with log(n) time
- Implement a queue data structure using dynamic array
- Cherry Pickup
- https://leetcode.com/problem-list/xoqag3y
## Questions asked to me in the screening round. ##
About This Question
This is a reported interview question from a oracle interview for a swe role during the phone screen round reported in 2025.
It covers the following topics: Arrays, Strings, Binary Tree, Trie, Linked List, Sorting, Binary Search, Queue, Heap, Stack .